Technology history for cs161.org

Stack size over time

From 6 detected technologies in Mar 2020 to 27 in Apr 2026.

Currently detected

• Fastly since Mar 2020
• GitHub Pages since Mar 2020
• Jekyll since Mar 2020
• Ruby since Mar 2020
• Ruby on Rails since Mar 2020
• Varnish since Mar 2020
• Instant.Page since Nov 2021
• cdnjs since Jul 2022
• Cloudflare since Jul 2022
• MathJax since Jul 2022
• Open Graph since Oct 2022
• HSTS since Feb 2023
• jQuery since Nov 2023
• Clipboard.js since Nov 2023
• KaTeX since Nov 2023
• core-js since Dec 2024
• Google Cloud since Dec 2024
• Nginx since Dec 2024
• Node.js since Dec 2024
• PWA since Dec 2024
• Google Cloud Trace since Dec 2024
• React since Dec 2024
• Socket.io since Dec 2024
• SweetAlert2 since Dec 2024
• Babel since Dec 2024
• Bootstrap since Dec 2024
• Moment.js since Dec 2024

Timeline